import Vue from 'vue'
import VueRouter from 'vue-router'
import Login from '../components/Login.vue'
import Home from '../components/Home.vue'
import Welcome from '../components/Welcome.vue'
import Users from '../components/User/Users.vue'
import Rights from '../components/Power/Rights.vue'
import Roles from '../components/Power/Roles.vue'
import Cate from '../components/Goods/Cate.vue'
import Params from '../components/Goods/Params.vue'
import List from '../components/Goods/List.vue'
import Add from '../components/Goods/Add.vue'
import Order from '../components/Order/Order.vue'
import Report from '../components/Report/Report.vue'

Vue.use(VueRouter)

const routes = [
  {
    path: '/',
    redirect: '/login'
  },
  {
    path: '/login',
    component: Login
  },
  {
    path: '/home',
    component: Home,
    redirect: '/welcome',
    children: [
      {
        path: '/welcome',
        component: Welcome
      },
      {
        path: '/users',
        component: Users
      },{
        path:'/rights',
        component:Rights
      },{
        path:'/roles',
        component:Roles
      },{
        path:'/categories',
        component:Cate
      },{
        path:'/params',
        component:Params
      },{
        path:'/goods',
        component:List,
      },{
        path:'/goods/add',
        component:Add
      },{
        path:'/orders',
        component:Order
      },{
        path:'/reports',
        component:Report
      }
    ]
  },
  
]

const router = new VueRouter({
  routes
})
router.beforeEach((to, from, next) => {
  //to为将要访问的路径
  //from代表从哪个路径跳转而来
  //next是一个函数，表示放行
  // next() 放行  next('/login')表示强制跳转
  if (to.path == '/login') return next();
  //获取token
  const tokenStr = window.sessionStorage.getItem('token');
  if (!tokenStr) return next('/login');
  next();
})

export default router
